diff --git a/services/chat/app/js/Features/Messages/MessageFormatter.js b/services/chat/app/js/Features/Messages/MessageFormatter.js
index fe230f5587..b29c7cfae7 100644
--- a/services/chat/app/js/Features/Messages/MessageFormatter.js
+++ b/services/chat/app/js/Features/Messages/MessageFormatter.js
@@ -60,7 +60,7 @@ module.exports = MessageFormatter = {
       }
     }
 
-    for (let message of Array.from(messages)) {
+    for (const message of Array.from(messages)) {
       room = rooms_by_id[message.room_id.toString()]
       if (room != null) {
         thread = getThread(room)
@@ -70,7 +70,7 @@ module.exports = MessageFormatter = {
       }
     }
 
-    for (let thread_id in threads) {
+    for (const thread_id in threads) {
       thread = threads[thread_id]
       thread.messages.sort((a, b) => a.timestamp - b.timestamp)
     }
diff --git a/services/chat/app/js/server.js b/services/chat/app/js/server.js
index f2a8c8d284..54cb874779 100644
--- a/services/chat/app/js/server.js
+++ b/services/chat/app/js/server.js
@@ -23,12 +23,10 @@ app.use(metrics.http.monitor(logger))
 metrics.injectMetricsRoute(app)
 
 if (app.get('env') === 'development') {
-  console.log('Development Enviroment')
   app.use(express.errorHandler({ dumpExceptions: true, showStack: true }))
 }
 
 if (app.get('env') === 'production') {
-  console.log('Production Enviroment')
   app.use(express.logger())
   app.use(express.errorHandler())
 }
diff --git a/services/chat/config/settings.defaults.js b/services/chat/config/settings.defaults.js
index ddcf2f8bc0..9969bed2f2 100644
--- a/services/chat/config/settings.defaults.js
+++ b/services/chat/config/settings.defaults.js
@@ -1,24 +1,23 @@
 module.exports = {
   internal: {
     chat: {
-      host: process.env['LISTEN_ADDRESS'] || 'localhost',
+      host: process.env.LISTEN_ADDRESS || 'localhost',
       port: 3010
     }
   },
 
   apis: {
     web: {
-      url: `http://${process.env['WEB_HOST'] || 'localhost'}:${process.env[
-        'WEB_PORT'
-      ] || 3000}`,
-      user: process.env['WEB_API_USER'] || 'sharelatex',
-      pass: process.env['WEB_API_PASSWORD'] || 'password'
+      url: `http://${process.env.WEB_HOST || 'localhost'}:${process.env
+        .WEB_PORT || 3000}`,
+      user: process.env.WEB_API_USER || 'sharelatex',
+      pass: process.env.WEB_API_PASSWORD || 'password'
     }
   },
 
   mongo: {
     url:
-      process.env['MONGO_CONNECTION_STRING'] ||
-      `mongodb://${process.env['MONGO_HOST'] || 'localhost'}/sharelatex`
+      process.env.MONGO_CONNECTION_STRING ||
+      `mongodb://${process.env.MONGO_HOST || 'localhost'}/sharelatex`
   }
 }